An internal combustion engine is one that operates through a thermodynamic cycle of internal combustion called Otto: when a spark generated by the fuel expands a gas that pushes the piston, which, ...

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FREDERIC KASTNER, who is known to the scientific world as the inventor of the Pyrophone, has recently died, as we announced at the time, at the early age of thirty years. He was the son of an Alsacian ...

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